Sterilizer



FIG. 1 is a perspective view from above and front of a sterilizer;

FIG. 2 is a perspective view from below and the rear;

FIG. 3 is a perspective view as in FIG. 1 with access door open; and,

FIG. 4 is a perspective view as in FIG. 2 with access door open.

The broken line showing in FIGS. 1 and 3 is for illustrative purposes only, and forms no part of the claimed design. 

The ornamental design for a sterilizer, as shown and described. 